I have a chart in AmCharts that reflects integer values; as such I want the value in the Y Axis to also be integers however they are showing up as floating point. I have read through documentation and found reference to: numberFormatter with the following syntax:
chart.numberFormatter = { precision:-1,decimalSeparator:".",thousandsSeparator:"," };
Changing the precision does not seem to have an impact. I've seen suggestions at setting it to 0 would work for removing the value after the decimal but it does not. I have also read that setting precision to -1 inhibits rounding which confuses me as to what precision is used for.
I am using AmCharts version 2.9.3 . I have found that there is a bug where numberFormatter is ignored in this version (pre 2.11) when usePrefixes was set to true however that is not the case.
I have found references to a parameter called: digits_after_decimal
However the references I found were for much older versions of AmCharts and the reference was for this parameter in a config file; and I do not see a reference for this in my version.
I have done quite a bit of research and am looking for any pointers as to what I am doing wrong as I know this is simply a misunderstanding of the API. I have also been toying with a JSFiddle example from AmCharts site:
I have found a solution. There are custom sections for updating qualities of both the y and x axis; in this case for the y axis, adding the following will represent only integers for the value column which on my graph was the y axis.
var valuesAxis = new AmCharts.ValueAxis();
valuesAxis.integersOnly = true;
对于amCharts v4,它将是:
valueAxis.maxPrecision = 0;
In my code for the valueAxes
object I have added integersOnly
property true
. It is working fine for me.
"valueAxes": [ {
"gridColor": "#FFFFFF",
"gridAlpha": 0.2,
"dashLength": 0,
"title": "Response Count",
"autoGridCount": false,
"gridCount": 5,
'integersOnly':true
},
],
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